74results about How to "Masking complexity" patented technology

The invention discloses a real-time communication method, a real-time communication system and real-time communication platform equipment; wherein the real-time communication method comprises the steps of receiving a media stream service request by the real-time communication platform equipment through a web interface, wherein the media stream service request is transmitted by a service initiating user, and the media stream request carries a service mode and a target parameter which are preset by the service initiating user; and processing the media flow service between the service initiating user and a target which corresponds with the target parameter by the real-time communication platform equipment based on a publisher/subscriber model according to the service mode. According to the media stream real-time propagation solution which is provided by the embodiment of the invention and is realized based on the publisher/subscriber model, a platform side can connect voice video flows among terminals, thereby supporting sharing innovative services of unilateral subscription, bilateral subscription, group subscription, etc. in a more flexible manner.

The invention discloses a database processing method and a database processing device. The database processing method comprises the following steps: a proxy client receives a processing request sent by a business application, wherein the processing request is used to request processing data in a database; the proxy client determines a data server side for executing the processing request, wherein the business application accesses to the database through the proxy client and the data server side; the proxy client sends the processing request to the determined data server side; the determined data service terminal processes data in the database according to the processing request; the determined data service terminal sends a processing result to the proxy client; and the proxy client sends the received processing result to the business application. According to the database processing method disclosed by the invention, the problem of business service interruption caused by database access logic abnormity in the related art is solved, and therefore the effect of ensuring the normal performance of the business service is achieved.

The invention relates to the technical field of computer application, in particular to a mainstream relation type database table mode objectification and virtualization mechanism. According to the mechanism, relation type database tables huge in physical difference are converted into unified object models, that is, each database table is simply regarded as a p-v object instance system, and each database table field is converted to be a pojo or a simple object instance to serve as the key attribute of the p-v object instance system and arranged in a cloud database element node database in a persistence mode to form virtual table resources, so that the complex physical structure of a multielement heterogeneous database is evolved to be a unified virtual database platform relatively simple in logic, mapping is conducted between logic elements and physical elements, and operation modes of logic layer concepts are defined and mapped to be operation modes of the physical elements, complex underlying physical details and difference are shielded, and a cloud database virtualization platform uniformly based on object model operation is provided. By means of the mainstream relation type database table model objectification and virtualization mechanism, the problem that database data cannot be uniformly managed and the problems of interconnection and interworking are solved, and the mechanism can be used for interconnection and interworking of the database data.

The invention relates to a modularization robot based on CORBA interface in the robot technical field, comprising a moving module, mechanical arm module, a visual sensor module, a power module, a control module and a wireless network module. A stent is arranged on the moving module. The power module, the mechanism arm module and the visual sensor module are mutually connected with the moving module by the stent on the moving module. The moving module, the mechanical arm module and the visual sensor module are connected with an industrial computer by respective interfaces. The industrial computer is arranged on the stent. The control module runs on a PC and communicates with the industrial computer. By the invention, the robot module has unified soft interface, so that the control complexity of the programming caused by different hardware interfaces is shielded thereby causing the integration of the robot to be more convenient. Simultaneously, the robot module with the CORBA interface can realize the integration and the control based on network conveniently.

The invention relates to an integrated service access gateway (ISAG) used as a telecommunication value-added service opening platform, wherein, a monitoring management module, an authentication charging interface module and a composite service module are arranged on the basis of the prior Parlay/ParlayX system. The ISAG inherits the advantages of cross-network and uniform openness of a plurality of abilities of a Parlay/ParlayX gateway, can perform real-time inspection and control on an SP and an SP service and avoid molestation and bamboozlement of the SP on users, and simultaneously flexibly realizes development, package and openness of composite service abilities and meets numerous requirements of the SP.

The invention discloses an online monitoring system for a modeling based on a physical communication medium of a process level. The online monitoring system comprises an SCD (Security Coding Device) import module, a model analysis module, a graphics and model mapping module, a network communication module and a graph display module, wherein the defects of an IEC 61850 standard model can be supplemented by modeling the physical communication medium (a switchboard, an optical cable, a connecting pressing plate, etc.) of the process level, and a process level switchboard, a connecting optical cable, a pressing plate and other models can be improved. By adopting a graphics and model mapping technology on this basis, the visual online monitoring of a second system can be realized, the application of 'graphics are fit well with the actual situation' of the secondary system based on the model can be realized, the operation and maintenance object can be ensured to have model characteristics, the observability and controllability of the secondary system of an intelligent substation can be improved, and a good foundation can be laid for the expansion of all high application of the intelligent power grid.

The invention discloses a tiered service aggregation method under the open network environment, which is a scheme for realizing the complex requirement of a user under the open network environment and for realizing the selection control of network resource or service. By aiming at the characteristics of the large scale, the dynamics and the isomerism of the open network environment, the tiered service aggregation method provides an information service five-layer aggregation method comprising an original service resource pool, a selected service resource pool, a relevant service resource pool, a multiattribute selection process and a relevant selection process; and the model is used for realizing the selection control scheme of the model. When the network is formed, the scheme is used for classifying service functions, relevance and the like provided by the user, resource pools of different tiers are built, and a tiered service aggregation decision mechanism based on the QoS is built. The service selection function based on QoS is expanded by the scheme, the dynamic characteristic and the unified interface characteristic of the selection control are added, and a brand-new mode is provided for researching the service selection mechanism under the open network environment.

The invention provides a smart home development platform based on a middleware technology and a business development method thereof. The smart home development platform comprises a business management unit, a business control unit and an integrated access unit, wherein the business management unit is used for configuring and analyzing basic data, generating a report diagram and providing an interactive interface; the business control unit is used for processing a system core task, providing an application development environment, receiving a communication command and operating a database; and the integrated access unit is used for communicating with a smart home gateway and underlying machines and tools, and performing information interaction with the business control unit. Through establishment of the perfect business management unit, business control unit and integrated access unit, the complexities of underlying hardware and a network are shielded downwards through a standard application programming interface and a communication protocol, and a simple and integrated application development environment is provided upwards through a uniform software development kit, so that running on a plurality of pieces of hardware and operating system platforms is available, and an efficient and expandable smart home integrated development method is formed. Thus, smart home businesses can be rapidly developed; the smart home business development efficiency is increased effectively; and the system operation and maintenance costs are lowered.

The invention relates to a middleware system applied to a rail traffic signal safety system and belongs to the technical field of rail traffic. The middleware system comprises a configurable management module, a bottom layer interface adaption management module, an application development management module and a safety and reliability management module. The configurable management module is configured with an operation system, a drive, a system internal data structure and software and hardware resources; the application development management module is used for providing united APIs (Application Programming Interfaces) for upper-layer application and meanwhile being in charge of information interaction and system initialization; the safety and reliability management module is used for realizing management on system safety and reliability; and the bottom layer interface adaption management module is used for realizing information interaction with other sub-systems in a rail traffic signal system. The middleware system, which can be adapted to different bottom-layer operation systems and applied to various rail traffic safety sub-systems, undertakes a universality task of accessing bottom-layer operation of various application programs and provides universal service for application systems through the simple and convenient public-safety APIs.

The invention relates to a method for identifying a graphic connection relationship between units in hierarchical layout verification, and belongs to the field of semiconductor integrated circuit design automation. A high-efficiency solution is provided for identification operation of the connection relationship between graphs of two units in the hierarchical layout verification. Most data in the units of a semiconductor integrated circuit design layout is rectangular units which are orthogonal to a coordinate axis; and the traditional method comprises the following steps of: converting polygons in the units into edges, and identifying the connection relationship between graphic units by an edge-based scanning line method, so that data quantity is doubled and efficiency is low. In order to solve the problem, the scanning line method taking a rectangle as a unit is provided, so that the number of data units is greatly reduced, and operating efficiency is obviously improved.

The invention belongs to the technical field of application of power systems and particularly relates to a plug-in technique-based method for realizing a power system analysis software interface, which comprises: firstly, decomposing the analytic function of a power system into a graphic support module, a data support module and various on\off-line analysis functional modules by using a plug-in technique so as to realize maximum decoupling of the functional modules; and secondly, realizing the data interaction between a plugin and a support platform by using the dynamic link dynamic loading and calling technique. Compared with the prior art, the method can effectively reduce the degree of the coupling between a functional object and an object management logic effectively and makes an application more stable and highly extendable, thereby ensuring that software is a 'demand-oriented open system structure'.

The invention discloses a unified PC (Personnel Computer) management method transparent to a mobile terminal user, which comprises the following steps that: a mobile terminal is connected with a PC; middleware is started between the drive of the mobile terminal and the user operation interface of the PC; the middleware automatically adapts to the operating system of the mobile terminal, and the user operating interface on the PC is started to be in data connection with the mobile terminal; and data exchange and communication behaviors are realized. In the invention, unified PC synchronous software is used for managing the mobile terminal based on different operating system platforms, because the middleware is added between the user interface of the PC terminal and the drive of the mobile terminal, the complexity of the operating system of the mobile terminal is shielded, further, the mobile terminal of the different operating systems can be managed by the unified PC synchronous software, and the unified PC management of the terminal user is realized.

The present invention discloses a data synchronization method applied to a cluster main node. When an SQL statement is employed to update data information, the SQL statement is used to generate message record and send the message record to a slave node by employing a message queue, the slave node performs synchronous update of a database itself according to the SQL statement so as to allow the data update of the main node to reach content synchronization with the data update of the slave node. Besides, the message queue is employed to transmit the message record so as to shield the complexityof a stratum communication protocol and more conveniently and effectively achieve data synchronization of the main node and the slave node. The present invention further provides a data synchronization method applied to a cluster main node, a cluster main node system and a cluster slave node system which can also achieve the technical effects mentioned above.

The invention provides a silicon carbide insulated gate bipolar transistor comprising an N-type heavily doped first field stop layer; an N-type heavily doped second field stop layer which is formed onthe N-type heavily doped first field stop layer; an N-type lightly doped drift layer which is formed on the N-type heavily doped second field stop layer; a regulation and control P-type Base region which is formed in the N-type lightly doped drift layer; an N-type heavily doped source region which is formed in the regulation and control P-type Base region; source metal which is formed in the partial region of the regulation and control P-type Base region and the partial upper surface of the N-type heavily doped source region and forms ohmic contact with the upper surface and the side wall ofthe N-type heavily doped source region; a gate dielectric layer which is formed on the N-type lightly doped drift layer; a grid electrode which is formed on the grid dielectric layer; an interlayer dielectric which is formed on the grid electrode and the two sides of the grid electrode so as to isolate the grid electrode from the source metal; and a P-type heavily doped collector region which is formed on the back surface of the N-type heavily doped first field stop layer. The double-layer field stop layer structure is formed so that the characteristics of the device are optimized and the robustness is improved.

The invention relates to a visual management method for a non-structured data management system, which belongs to the technical field of computer data management. According to the method, the management of all servers in the non-structured data management system is visualized in a browser. The method comprises the following steps of initializing the management of the non-structured data system; visualizing data model operation of a non-structured data model management system; making a user click a data access page in the browser and control data of the non-structured data management system; and making the user click the state pages of all servers of the non-structured data management system in the browser, and visually monitoring the states of all servers of the non-structured data management system. According to the method, operation on the non-structured data management is simplified, intuitional interface operation is provided for the user, and the user can monitor the states of all servers of the non-structured data management system.

The invention provides SOA-based civil aviation enterprise application system integration. An operation control system in the integration comprises a business process analysis module, a service modeling module, an IT environment analysis module and a high-level architecture design module. According to the integration, through architecture research on the operation control system, main steps and involved technologies of enterprise integration with service being the center are explored. According to the SOA-based operation control system, a novel software system structure is adopted, distribution and integration of application program logic on a web are realized, poor business change adaptability and other defects of the system are overcome while the defect of tight coupling of a traditionalweb-based system is overcome, and the complexity of a background technology is shielded. Form the aspect of system construction technology, the enterprise integration scheme with service being the center provides a reasonable technical route, and meanwhile in view of the realistic significance of the technical route, the emphasis in future research work is around refined mapping from an operationcontrol business process to a service entity, improvement in service quality and security, reasonable description of service and other aspects.

The invention relates to a visual satellite orbital management method based on data mapping and a B/S structure. The visual satellite orbital management method includes the following steps that a data mapping layer is built; intelligent searching and graphical display of an SRS database are carried out based on the data mapping layer, the B/S structure and a rich client platform technology. The visual satellite orbital management method is easy to employ, free of installation, low in cost, strong in universality and good in capacity and maintenance is easy.

The invention discloses a content transmitting system which comprises an external collection interface module and a content transmission adaption module; the external collection interface module is used for resolving and transmitting a content processing request received from a user terminal side or the content transmitting system side; the content transmission adaption module is used for carrying out the adaption of a content transmission channel after receiving the content processing request. The invention also discloses a processing method for content transmission, which comprises that: after receiving the content processing request from the external collection interface module, the content transmission adaption module carries out the adaption of the content transmission channel and returns the adaption results of the content transmission channel to the external collection interface module for processing. The system and the processing method of the invention realize the compatibility of content transmission, management and networking in the internet and the telecommunication field as well as lead the solving proposal of content transmission to have uniformity, expansibility and usability.

The invention discloses an unstructured data information query method and system based on secondary attributes. The method comprises the following steps: 1) for a target database, taking unstructureddata of each record in the target database as a primary attribute of the corresponding record; 2) extracting internal information in each primary attribute as a secondary attribute of the primary attribute; 3) expanding the query language of the target database, and adding a semantic operator ''->''; extending a query engine of the target database to compile and execute a query statement conforming to the semantic operator ''->'' grammar; 4) enabling the query engine to inquire the cache result meeting the query condition from the cache system according to the query condition, and if the matching result does not exist, searching for a matched record in the target database according to the primary attribute in the query condition, then extracting secondary attributes from the primary attribute of the matched record, matching the secondary attributes with the secondary attributes in the query condition respectively, and returning the matching result.

A mobile communication combined service system includes four hierarchial structures of a BSS, an integrated service plotting platform isPP as the core device, an adaptor and a NE devices, among which, a SOI is between BSS and the customers SPT is between BSS and iSPP, NPT is between the ISPP and the adaptor and EPI is between the adaptor and NE. The system realizes one-station integrated switch-on of the mobile communication service.

The present invention provides a method and device of network function abstraction realization in a software definition network. The method comprises: defining a network function extraction description model based on a rule structure, based on the network function abstraction description model, allowing the controller to perform explanation of the customized network and generate the configuration script supported by a bottom layer network device, such as: a flow table item according with an Openflow protocol specification, and allowing the controller to send the generated device configuration script down to the bottom layer network device through a related control protocol (such as the Openflow protocol). Therefore, the method and device of network function abstraction in the software definition network can shield the complexity and the diversity of the network device and the network function, only need to create abstracted network function rule entry to indicate the target network function, the executed object and the execution action high-level description with no need for understanding the details of the bottom network.

The invention discloses a stream control transmission protocol (SCTP) based group calling business data packet identification method. The method comprises the steps of firstly, before a cluster scheduling business is established, determining that an available SCTP association exists between a wireless access system and a cluster server; then, allocating stream identifiers in establishment of the cluster scheduling business; next, when a group calling business data sending party sends business data, carrying the stream identifiers in the data for group calling business data packet identification; and finally, when a business data receiving party receives the group calling business data, performing packet identification on the group calling business data according to the stream identifiers carried in the data. Through adoption of the method, port resource use ratio is greatly improved, transmission identification efficiency is improved remarkably, processing complexity of the wireless access system and the cluster server is lowered effectively, system capacity is increased, system expandability is enhanced, and operating cost of the cluster communication network is lowered.